As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION ON A FLOOR BOARD SUPPORT ANGLE UNDER THE COCKPIT FLOOR. ANGLES AT FRAME 5 AND NEAR FRAME 6B WERE SEVERELY CORRODED UNDER NUT PLATES. CORRODED AREAS OF ANGLE WAS REMOVED AND SPLICE REPAIRS WERE MADE PER CASA 212 SRM, FIGURE B14.